Cell phone signals offer massive trove of travel data

Every hour of every day cell phones are generating data which transportation planners, real estate developers and investors use to help them to understand traffic flows, shopping patterns and population shifts.

Income inequality and distrust foster academic dishonesty

College professors and students are in an arms race over cheating. Students find new sources for pre-written term papers; professors find new ways to check the texts they get for plagiarized material. But why are all these ...

China vows faster, cheaper Internet

China has said it will aim to bring faster and cheaper Internet access to more people, following complaints that a near monopoly by state-backed firms had hurt service.